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QVSource: The QlikView & Qlik Sense API Connector (Docs)

QVSource was upgraded to use .NET 4 in version 1.3.0 and it was discovered that Windows/.NET 4 has an extra security feature which can prevent QVSource from running. This is because .NET and Windows track the fact that the application was downloaded from an unknown and potentially untrustworthy internet location.

This issue should now have been solved in the QVSource app.config file so this step should not be necessary in most cases - however, if you are experiencing issues with QVSource you should try unblocking the downloaded zip file before extraction.

To do this right click on the zip file as shown here:


And click the 'Unblock' button. If this button isn't visible or enabled then you can skip this step.


You should now be able to continue with the setup process.

Please Note
  • That there appears to be an additional windows feature which prevents you from fully unblocking files which reside in your 'Program Files' folder which means you should first move the files to another location, unblock them, and then move them back. We do however recommend running QVSource in the folder c:\QVSource or another root drive rather than in 'Program Files'.
  • It is possible that if you are not an administrator or if your domain administrator has prevented it, you will not see the above unblock option even though windows considers the file blocked. In this case you should speak to your system administrator who may need to unblock the file for you.
  • We have had one instance where on unblocking the zip file the QVSourceService.exe file had to be manually unblocked. So you may want to check this file has been unblocked before proceeding.

  Name Size
- right click zip.png 14.36 KB
- unbblock zip.png 27.26 KB

(QVSource works with Qlik Sense as well as QlikView - See this page for notes.)
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